diff options
Diffstat (limited to 'tests/set4.rs')
-rw-r--r-- | tests/set4.rs | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/set4.rs b/tests/set4.rs index 495f548..1d31a85 100644 --- a/tests/set4.rs +++ b/tests/set4.rs @@ -133,3 +133,25 @@ fn problem_27 () { } // problem 28 is just matasano::sha1_mac + +#[test] +fn problem_29 () { + let key: Vec<u8> = ::rand::thread_rng() + .gen_iter() + .take(::rand::thread_rng().gen_range(5, 25)) + .collect(); + + let valid_input = b"comment1=cooking%20MCs;userdata=foo;comment2=%20like%20a%20pound%20of%20bacon"; + let valid_mac = matasano::sha1_mac(valid_input, &key[..]); + let possibles = matasano::crack_sha1_mac_length_extension(valid_input, valid_mac, b";admin=true"); + assert!( + possibles.iter().all(|&(ref input, _)| { + input.ends_with(b";admin=true") + }) + ); + assert!( + possibles.iter().any(|&(ref input, ref mac)| { + &matasano::sha1_mac(&input[..], &key[..])[..] == &mac[..] + }) + ); +} |